ul, li, h1,h2,h3 ,dl,dt,dd,p{
		padding:0;
		margin:0;
		box-sizing:border-box;
	}
	ul li{
		list-style: none;
	}
	img{
		display: block;
		/*margin:0 auto;*/
	}
	*{
		padding:0;
		margin:0;
	    font-family: "微软雅黑";
	}
	.bigdiv{
		width:100%;
		position:relative;
	}
	header{
		width:100%;
		height:1.4375rem;
		line-height:1.4375rem;
		background-color:#ffd600;
		position:fixed;
		left:0;
		right:0;
		top:0;
		display: flex;
		z-index: 10;
	}
	.sao{
		width:1.4375rem;
		height:1.4375rem;
		
		background:url(../img/sao.png) no-repeat center center;
		background-size:80%;
	}
	.lu{
		/*分配剩余空间*/
		flex-grow: 1;
		/*水平居中*/
		justify-content:center;
		/*垂直居中   当加上了这两句话， text-align： center 不好用   只能用上面那个*/
		align-items:center;
		font-size: 0.484375rem;
		font-weight: bold;
		text-align: center;
		
	}
	.lu img{
		position:absolute;
		top: 0.578125rem;
        left: 6.46875rem;
	}
	.search{
		text-align: center;
		width:1.4375rem;
		height:1.0375rem;
		background:url("../img/搜索.png") no-repeat center 0.125rem;
		background-size:55%;
		padding-top:0.3125rem;
	}
	
/*
	footer 
	 * */
	footer{
		color:#a7a7a7;
		width:100%;
		height:1.7625rem;
		background-color:#f5f5f6;
		position:absolute;
		bottom:0;
		display: flex;
		text-align: center;
		padding-top:0.2rem;
	}
	footer figure{
		width:2rem;
		height:1.5625rem;
		text-align: center;
	}
	footer img{
       width:0.78125rem;
       height:0.78125rem;
       display: block;
       margin:0 auto;
       margin-bottom:0.3125rem;
	}
	footer figcaption{
       
		display: block;
		margin:0 auto;
		text-align:center;
	}